National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.

NA

64°F

18°C

Humidity 62%
Wind Speed SSW 13 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 01 Oct 05:59 PM PDT
Extended Forecast for

13 Miles W Quartz Hill CA

  • Tonight

    Tonight: Clear, with a low around 55. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. West southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 65 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 49. Windy, with a west northwest wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 50 mph.

    Low: 49 °F

    Clear and
    Windy

  • Saturday

    Saturday: Sunny, with a high near 69. Breezy.

    High: 69 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 55. West wind around 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 55. West southwest wind around 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 65. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.
Friday Night
Clear, with a low around 49. Windy, with a west northwest wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 50 mph.
Saturday
Sunny, with a high near 69. Breezy.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 71.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 67.
Monday Night
Clear, with a low around 49.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Quartz Hill CA
 34.69°N 118.44°W (Elev. 3658 ft)
Last Update:
5:31 pm PDT Oct 1, 2025
Forecast Valid:
6pm PDT Oct 1, 2025-6pm PDT Oct 8, 2025
 
Forecast Discussion
 
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Additional Resources

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